Safety Relief Valve NSN 4820-00-875-9862

Item Description

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes valve (1), relief, pressure and temperature.

NSN: 4820-00-875-9862

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Features and Characteristics

Pipe Size Accommodated

0.500 inches 1st end

Thread Direction

Right-hand 1st end

Flow Control Device

Poppet

Bonnet Type

Inside spring

Bonnet Attachment Method

Integral

Disk Loading Method

Spring

Maximum Operating Temp

450.0 degrees fahrenheit single response

Connection Style

G46b plain (pipe) 1st end

Valve Operation Method

Automatic

Connection Type

Threaded external pipe 1st end

Features Provided

Valve stem lock shield and pressure tight outlet side

Thready Qty Per Inch (tpi)

14 1st end

Maximum Operating Pressure

150.0 pounds per square inch single response

Thread Size

0.500 inches 1st end

Opening Pressure Setting

150.0 pounds per square inch

Material

Copper alloy

Material Specification

Qq-c-390, alloy a4 federal specification single material response

Media For Which Designed

Air single response

Style Designator

Err-090

Test Data Document

18876-9975897 drawing (this is the basic governing drawing, such as a contractor drawing, original equipment manufacturer drawing, etc.; excludes any specification, standard or other document that may be referenced in a basic governing drawing)

Thread Series Designator

Npt 1st end

FSC

4820 Nonpowered Valves

NIIN

008759862

NSN

4820008759862

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

M5120B4ML150

Cage Code:

91816

Status:

MSDS:

Part Number:

9975897

Cage Code:

18876

Status:

MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov

Schedule B Number: 8481400000
NAICS: 332911
SITC: 74740
Description: Safety or relief valves
End Use (Code 21180):
Industrial machines, other

Q & A

Frequently asked questions for NSN 4820-00-875-9862

What are the manufacturers of nsn 4820008759862?

Circor Aerospace, Inc. (91816)
U S Army Aviation And Missile (18876)

Does this nsn 4820008759862 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820008759862
A valve designed to automatically release excessive pressures. it is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. it is not designed for regulation of continuously fluctuating loads. it may be inline or cartridge (manifold) design. excludes valve (1), relief, pressure and temperature.

Does nsn 4820008759862 contain any precious metals?
Precious metal content is unknown.

Does nsn 4820008759862 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820008759862?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)

INC

FIIG

App. Key

Cond. Code

Status

INC:

05488

FIIG:

A046B0

App. Key:

Cond. Code:

Status:

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